renamed method init_db as it may be used to reset connections generally outside of initialization
renamed method init_db as it may be used to reset connections generally outside of initialization

wikimedia/analytics-user-metrics,rfaulkner/wikipedia_user_metrics,rfaulkner/wikipedia_user_metrics,wikimedia/analytics-user-metrics,wikimedia/user_metrics,wikimedia/analytics-user-metrics,wikimedia/user_metrics,wikimedia/user_metrics,rfaulkner/wikipedia_user_metrics